Data highlights are ordered by what stands out in Sadeillan.
Who lives here
Sadeillan has fewer young adults than Gers’ towns or compared French towns: 4.8% are 15 to 24
Sadeillan sits below both Gers’ towns (8.5%) and compared French towns (11%) on this measure. Over-65s are 29% of the population.
54.8median age
SadeillanGers medianFrance median
Ages · share of residents
29%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma18%
CAP or BEP34%
Baccalauréat13%
Higher education30%
Women and men · all residents
55% women, 45% men
WomenFrance medianMen
About 80 men for every 100 women. Median share of women: Gers 52.4%, France 51.8%. Women live longer than men, so towns with many older residents have more women.
People: INSEE, census 2023. Miles: center to center.
About Sadeillan
Commune in Gers, Occitanie
Sadeillan is a commune of 79 people in the Communauté de communes Astarac Arros en Gascogne. TownRatings compares communes, France’s local unit: each has its own mayor and its own statistics. Its area takes in the town and the countryside around it.
Built from INSEE’s 2026 official geography (COG) and IGN Admin Express boundaries
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.